Laser Nail LevelerAre you tired of tedious operation steps for picture hanging, construction, or decoration? Our Laser Nail Leveler is a is a handy and easy to use home improvement tool that lets you line up shelves, pictures, cabinets, tiles, wall coverings, mirrors and more and safely hammer in nails. It has a pressure activated on and off switch which projects a highly visible laser line when setting against a flat surface. The laser has a range of up to 20ft (6m)